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Letters Patent No. 82,181 dated September 1'5, 1868.4

IMPROVEMENT IN LUBRICATOR.

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T0 A LL WHOM I'I MAY'CONCERN:

I Be it known that I, RICHARD II. TRADENICK, of the city of Pittsburg,county of Allegheny, and State of Pennsylvania, have invented anImproved Oil-Cup; and I do hereby declare that the following is o. full,clear, and exact description of the saine, reference being had to theaccompanying drawings, and to the letters of reference marked thereon,in `whch t Figure 1 is an outside view of my oil-cup, placed on thestrap which holds the brasscs which surround the crank-pin in position;and

Figure 2 is a section of the saule through the section-line A' B oftig.1.

My invention consists in so constructing my cup that the oilis fed onthe crank-pin only while the engine is in motion, and in so arrangingthe several parts that the oil is cleared of'all sand or grit which itmay contain, and the pure oil only allowed to reach the eranklpin. i Y

'lo en able others skilled in the art to make and use' my invention, Iwill proceed to describe its construction and,operation.

' A A are the brass bearings which enclose the crank-'ping B,strap which.passes around the brasses, and holds them in place and to the end ofthe connectingLrod; C, oil-cup. On the bottom of the cup there is anipple, I), on which a screw is cut, which screws into the strap B,'asshown in fig. 2. The column`.E rises in the centre ofthe cup, nearlytwo-thirds thc-height of thesides ofthe same, the top being turned out,forming a cupfin whic-h the round ball, F, rests. This column is piercedby the oil-passage G.` This oil-passage is larger at the lower than atthe upper end. It may be either conical, as shown, or may be drilledpart'of the way with a large drill and the hole finished with a smallerone, leaving a. shoulder, as indicated at 1', fig. 2. V The cup isprovided with the top, K, which screws on, the construction of whichis'shown in thesection, fig. 2. -'.Ibe setscrew L passes through ,thecentre of the cover, the end being turned out, forming a. cupcorresponding to that on the column E. This setscrew is turned by itsmilled head, M, and is firmly secured in any position by the. jam-nut N.

Operation.

The oil is poured into the cup until it reaches nearly to the top of thecolumn E. The ball F is then placed?Y in the cup on the top of thecolumn. The cover is screwed ion' tight, and the set-screw turned downuntil it almost touches the ball F, leaving only a slight amount of playfor the ball between the cups, 'formed by the ends of the column andset-screw, which partially surround it and keep it in place. The play ofthe ball is increased or diminished, as the amount of oil required tokeep the crank-pin properly lubricated is greater or less. When theengine is running, thc oil in the cup is keptin constant agitation, andthe ball F is always covered. This ball is constantly pla-ying up anddown, and also has a rotary motion. In this rotary motion all thelsandor grit which may be in the oil, and which falls on the ball, isscrapedo on the .edge of the cup on the top of the column, and the pureoil only allowed to pass into the eil-passage G, down which it runs andfalls on the crank-pin, keeping it well oiled. The ilow of oil stopswhen the engine is not in motion, so that no oil is ever lost.

The turning of the crank-pin in the brasscs forms a partial vacuum,which assistsA the oil in its descent. The manner in which theoil-channel is constructed also increases the eicicnc'y of the cup, bybreaking the vacuum, from time to time, and allowing the air to reachthe inside of the cup, when suiiicient oil has been drawn oil to form apartial vacuum in the same.

Ulaz'm.

What I claim as my invention, and desire to secure by Letters Patent of'the United States, is- The oil-cup C, having the column E, oil-passageG, ball F, top K, and set-screw L, `when 'constructed and operatingsubstantially as and for the purpose set forth. v

'i RICHARD H- TRADENICK. [L. Sfl Witnesses:

Finnois L. CLARK, J. DONALDSON.

